package com.sky.config;

/**
 * 消息常量（统一错误/成功提示）
 */
public class MessageConstant {
    /**
     * 未知错误
     */
    public static final String UNKNOWN_ERROR = "未知错误";

    /**
     * 数据已存在
     */
    public static final String ALREADY_EXISTS = "已存在";

    /**
     * 登录失败
     */
    public static final String LOGIN_FAILED = "登录失败";

    /**
     * 请先登录
     */
    public static final String LOGIN_REQUIRED = "请先登录";
}
